Physical & Performance:Unit dimensions, WxHxD: 4.8"W x 2.9"H x .6"D (12.2 x 7.5 x 1.6 cm)Display size, WxH: 3.81"W x 2.25"H (9.7 x 5.7 cm); 4.3" diag (10.9 cm)Display resolution, WxH: 480 x 272 pixelsDisplay type: WQVGA color TFT with white backlightWeight: 5.7 ounces (161.6 g)Battery: rechargeable lithium-ionBattery life: up to 4 hoursWaterproof: noHigh-sensitivity receiver: yesRoHS version available: yesMaps & Memory:Basemap: yesPreloaded street maps: yesAbility to add maps: yesBuilt-in memory: internal solid stateAccepts data cards: microSD™ card (not included)Waypoints/favorites/locations: 1000Routes: 0Features:Voice prompts (e.g. "Turn right in 500 ft."): yes (internal speaker)Speaks street names (e.g. "Turn right ON ELM STREET in 500 ft."): yesVoice-activated navigation (operate device with spoken commands): noLane assist (guides you to the proper lane for navigation): yes (with junction view)3-D building view (displays buildings in 3-D): noAuto sort multiple destinations (provides most direct route): noAuto re-route (fast off-route and detour recalculation): yesChoice of route setup (faster time, shorter distance, off road): yesRoute avoidance (avoid highways, tolls etc.): yesBluetooth® wireless technology (connect to your phone for hands-free calling): noGarmin nüLink! Services: (receive accurate real-time travel information): noFM traffic compatible: yesMSN® Direct compatible: yesXM® Navtraffic & Radio for U.S. compatible: noSpeed limit indicator (displays speed limit for most major roads in the U.S. and Europe): yesWhere Am I? (find closest hospitals, police & gas stations, nearest address & intersection): yesGarmin Locate™ (marks position when removed from windshield mount): noecoRoute™ (calculates a more fuel-efficient route) : yesQwerty or ABC keyboard (choose keyboard layout): yesCustom POIs (ability to add additional points of interest): yesGarmin Garage™ vehicles compatible (download car-shaped icons to your device): yesGarmin Garage™ voices compatible (download custom voices to your device): yesPhoto navigation (navigate to geotagged photos): yesWorld travel clock, currency & unit converter, calculator: yesPicture viewer: yesMP3 player: noAudio book player: noFM transmitter: noHeadphone jack/audio line-out: noGarmin Lock™ (anti-theft feature): yesTouchscreen: yesDead reckoning: noMotorcycle-friendly: noTrucking-friendly: noGeocaching-friendly: noMarine-friendly: noAdditional: This USB mass storage device is compatible with Windows® XP or newer and Mac® OS X 10.4 or later.